{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":493,"cluster_id":4930002016},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["493:4930002015","493:4930000931","493:4930001685","493:4930001393","493:4930001846","493:4930001850","493:4930000610","493:4930001683","493:4930003391","493:4930001697","493:4930001040","493:4930001046","493:4930001158","493:4930003392","493:4930000824","493:4930002350","493:4930001847","493:4930001157","493:4930001862","493:4930001159","493:4930001447","481:4810000306","493:4930001849","493:4930000615","481:4810000032"],"twin_admin_codes":[493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,493,481,493,493,481],"twin_sims":[0.9278835160700546,0.7466870647316852,0.7380814710552445,0.6774809697302107,0.6163665138122301,0.567523466029755,0.5624367119946606,0.5564229778549489,0.5048285566896039,0.4049332691267415,0.4027045267159606,0.3956050395172327,0.39506466116207656,0.3889885826557061,0.3708442783231766,0.36431242606512737,0.36137482782295605,0.3443597619092599,0.33329170910934736,0.33163058294530984,0.3217596339642061,0.3208886932567218,0.3206707335439587,0.31174098715142906,0.310910177074045],"twin_dists":[0.05024953698261058,0.09926848422873945,0.10121899063715371,0.11460992159644844,0.12776818163472492,0.13823834335488305,0.13933258750958707,0.1406279272198661,0.15185170306967452,0.1746348776317423,0.17516714484150725,0.17687159506347774,0.17700190050847817,0.17847280844440822,0.18293161912933176,0.18456288479184538,0.18530131705122801,0.18964062094171774,0.19252438830417318,0.19296164016907677,0.19558515590833828,0.1958187694325157,0.19587728855911596,0.1982943649403654,0.19852123446235026],"n_dims_used":45,"mean_confidence":0.9265658060709635},"coverage":{"mean_confidence":0.9265658060709635,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}